PreferenceHelper class
A helper class for managing user preferences and persistent storage.
The PreferenceHelper class provides methods to initialize, save, retrieve, and remove user-related data and settings using SharedPreferences.
Constructors
- PreferenceHelper.new()
-
Factory constructor to return the singleton instance.
factory
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
getAutoLogin(
) → bool -
Gets the auto-login preference, returns
false
if not set. -
getBool(
String key) → bool? -
Gets a boolean value for the given
key
, returnsnull
if not found. -
getInt(
String key) → int? -
Gets an integer value for the given
key
, returnsnull
if not found. -
getString(
String key) → String? -
Gets a string value for the given
key
, returnsnull
if not found. -
getUser(
) → UserModel? -
Retrieves the user data from preferences, returns
null
if not found. -
getUserRole(
) → String - Gets the user role, returns UserRoles.admin if user not found.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
removeUser(
) → void - Removes the stored user data.
-
saveUser(
UserModel user) → Future< void> -
Saves the
user
data as a JSON string in preferences. -
setAutoLogin(
bool isAutoLogin) → void - Sets the auto-login preference.
-
setBool(
String key, bool value) → void -
Sets a boolean value for the given
key
. -
setInt(
String key, int value) → void -
Sets an integer value for the given
key
. -
setString(
String key, String value) → void -
Sets a string value for the given
key
. -
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Methods
-
init(
) → Future< void> - Initializes the SharedPreferences instance.